高手帮助(javamail)

[btb368]

我在使用javamail发程序的时间出现了以下错误：
设置系统属性：mail.smtp.host = smtp.163.com
准备获取邮件会话对象！
准备创建MIME邮件对象！
设置smtp身份认证：mail.smtp.auth = true
设置邮件主题！
设置发信人！
增加邮件附件：c:\boot.ini
正在发送邮件....
邮件发送失败！javax.mail.AuthenticationFailedException
Press any key to continue...


请高手帮助我解决一下，源代码如下：

import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Date;
import javax.activation.*;
import java.io.*;
import com.sun.mail.util.*;
import com.sun.activation.registries.*;

public class sendMail {

private MimeMessage mimeMsg; //MIME邮件对象

private Session session; //邮件会话对象
private Properties props; //系统属性
private boolean needAuth = false; //smtp是否需要认证

private String username = "***"; //smtp认证用户名和密码
private String password = "***";

private Multipart mp; //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象


/**
*
*/
//public sendMail() {
//setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取
//createMimeMessage();
//}

public sendMail(String smtp){
setSmtpHost(smtp);
createMimeMessage();
}



/**
* @param hostName String
*/
public void setSmtpHost(String hostName) {
System.out.println("设置系统属性：mail.smtp.host = "+hostName);
if(props == null)props = System.getProperties(); //获得系统属性对象

//props.put("mail.smtp.host",hostName); //设置SMTP主机
props.put("smtp.163.com",hostName); //设置SMTP主机
}


/**
* @return boolean
*/
public boolean createMimeMessage()
{
try{
System.out.println("准备获取邮件会话对象！");
session = Session.getDefaultInstance(props,null); //获得邮件会话对象
}
catch(Exception e){
System.err.println("获取邮件会话对象时发生错误！"+e);
return false;
}

System.out.println("准备创建MIME邮件对象！");
try{
mimeMsg = new MimeMessage(session); //创建MIME邮件对象
mp = new MimeMultipart();

return true;
}
catch(Exception e){
System.err.println("创建MIME邮件对象失败！"+e);
return false;
}
}



/**
* @param need boolean
*/
public void setNeedAuth(boolean need) {
System.out.println("设置smtp身份认证：mail.smtp.auth = "+need);
if(props == null)props = System.getProperties();

if(need){
props.put("mail.smtp.auth","true");
}else{
props.put("mail.smtp.auth","false");
}
}



/**
* @param name String
* @param pass String
*/
public void setNamePass(String name,String pass) {
username = name;
password = pass;
}


/**
* @param mailSubject String
* @return boolean
*/
public boolean setSubject(String mailSubject) {
System.out.println("设置邮件主题！");
try{
mimeMsg.setSubject(mailSubject);
return true;
}
catch(Exception e) {
System.err.println("设置邮件主题发生错误！");
return false;
}
}



/**
* @param mailBody String
*/
public boolean setBody(String mailBody) {
try{
BodyPart bp = new MimeBodyPart();
bp.setContent(""+mailBody,"text/html;charset=GB2312");
mp.addBodyPart(bp);

return true;
}
catch(Exception e){
System.err.println("设置邮件正文时发生错误！"+e);
return false;
}
}


/**
* @param name String
* @param pass String
*/
public boolean addFileAffix(String filename) {

System.out.println("增加邮件附件："+filename);

try{
BodyPart bp = new MimeBodyPart();
FileDataSource fileds = new FileDataSource(filename);
bp.setDataHandler(new DataHandler(fileds));
bp.setFileName(fileds.getName());

mp.addBodyPart(bp);

return true;
}
catch(Exception e){
System.err.println("增加邮件附件："+filename+"发生错误！"+e);
return false;
}
}



/**
* @param name String
* @param pass String
*/
public boolean setFrom(String from) {
System.out.println("设置发信人！");
try{
mimeMsg.setFrom(new InternetAddress(from)); //设置发信人
return true;
}
catch(Exception e)
{ return false; }
}


/**
* @param name String
* @param pass String
*/
public boolean setTo(String to){
if(to == null)return false;

try{
mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));
return true;
}
catch(Exception e)
{ return false; }

}

/**
* @param name String
* @param pass String
*/
public boolean setCopyTo(String copyto)
{
if(copyto == null)return false;
try{
mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));
return true;
}
catch(Exception e)
{ return false; }
}


/**
* @param name String
* @param pass String
*/
public boolean sendout() //throw AuthenticationFailedException
{
try{
mimeMsg.setContent(mp);
mimeMsg.saveChanges();
System.out.println("正在发送邮件....");


Session mailSession = Session.getInstance(props,null);

Transport transport = mailSession.getTransport("smtp");
//transport.connect((String)props.get("mail.smtp.host"),username,password);
transport.connect((String)props.get("smtp.163.com"),username,password);
transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO));
//transport.send(mimeMsg);

System.out.println("发送邮件成功！");
transport.close();

return true;
}
catch(Exception e)
{
System.err.println("邮件发送失败！"+e);
return false;
}
}


/**
* Just do it as this
*/
public static void main(String[] args) {

String mailbody = ""+"csdn";

//sendMail themail = new sendMail("smtp.msn.com");
sendMail themail = new sendMail("smtp.163.com");
themail.setNeedAuth(true);

if(themail.setSubject("标题") == false) return;
if(themail.setBody(mailbody) == false) return;
//if(themail.setTo("[e-mail]") == false) return;
if(themail.setTo("[e-mail]") == false) return;
//if(themail.setFrom("[e-mail]") == false) return;
if(themail.setFrom("[e-mail]") == false) return;
if(themail.addFileAffix("c:\\boot.ini") == false) return;
themail.setNamePass("user","password");

if(themail.sendout() == false) return;
}
}

[螃蟹k3179]

这是因为邮件服务器人证失败
如果用正确的帐号密码,应该能发送成功